4) Fat bike – Alta, Wyoming, USA

3) Glacier trek – Fox Glacier, New Zealand

A glacier is like a living being. Flowing slowly and weathered from above, it’s constantly evolving. Take a stroll over one and technically speaking you’ll have cramponed where no one has cramponed before.

2) Bobsleigh – Calgary, Canada

Jump aboard what you might call a bathtub on rails as it hurtles down Canada Olympic Park’s track at speeds of up to 75 mph. The good news? The driver’s a professional. The bad news? The 14-turn ride only lasts 60 seconds.

Brett hopes to one day reach the shores of far-flung Tristan da Cunha, the most remote of all the inhabited archipelagos on Earth…as to what he’ll do when he gets there, he hasn’t a clue. Over the last 10 years, London, New York, Cape Town and Pondicherry have all proudly been referred to as home. Now it’s Copenhagen’s turn, where he lends his travel expertise to momondo.com.